<template>
  <el-form inline="true">
    <el-form-item>
      <selector v-model="params.difficulty"
                placeholder="请选择题目难度"
                style="width: 200px;"></selector>
    </el-form-item>
    <el-form-item>
      <el-input v-model="params.title"
                @change="onSearch"
                placeholder="请您输入要搜索的题目标题" />
    </el-form-item>
    <el-form-item>
      <el-button plain
                 @Click="onSearch">搜索</el-button>
      <el-button plain
                 type="info"
                 @click="onReset">重置</el-button>
      <el-button plain
                 type="primary"
                 :icon="Plus"
                 @click="onAddQuestion">添加题目</el-button>
    </el-form-item>
  </el-form>
  <el-table height="526px"
            :data="questionList">
    <el-table-column prop="questionId"
                     width="180px"
                     label="题目id" />
    <el-table-column prop="title"
                     label="题目标题" />
    <el-table-column prop="difficulty"
                     label="题目难度"
                     width="90px">
      <template #default="{ row }">
        <div v-if="row.difficulty === 1"
             style="color:#3EC8FF;">简单</div>
        <div v-if="row.difficulty === 2"
             style="color:#FE7909;">中等</div>
        <div v-if="row.difficulty === 3"
             style="color:#FD4C40;">困难</div>
      </template>
    </el-table-column>
    <el-table-column prop="createName"
                     label="创建人"
                     width="140px" />
    <el-table-column prop="createTime"
                     label="创建时间"
                     width="180px" />
    <el-table-column label="操作"
                     width="100px"
                     fixed="right">
      <template #default="{ row }">
        <el-button type="text"
                   @click="onEdit(row.questionId)">编辑
        </el-button>
        <el-button type="text"
                   class="red"
                   @click="onDelete(row.questionId)">删除
        </el-button>
      </template>
    </el-table-column>
  </el-table>
  <el-pagination background
                 size="small"
                 layout="total, sizes, prev, pager, next, jumper"
                 :total="total"
                 v-model:current-page="params.pageNum"
                 v-model:page-size="params.pageSize"
                 :page-sizes="[1, 5, 10, 15, 20]"
                 @size-change="handleSizeChange"
                 @current-change="handleCurrentChange" />

  <question-drawer ref="questionEditRef"
                   @success="onSuccess"></question-drawer>
</template>

<script setup>
import { Plus } from "@element-plus/icons-vue"
import Selector from "@/components/QuestionSelector.vue"
import { getQuestionListService, delQuestionService } from "@/apis/question"
import { reactive, ref } from "vue";
import QuestionDrawer from "@/components/QuestionDrawer.vue"
import { ElMessageBox } from "element-plus";

const params = reactive({
  pageNum: 1,
  pageSize: 10,
  difficulty: '',
  title: ''
})

const questionList = ref([])
const total = ref(0)

async function getQuestionList () {
  const result = await getQuestionListService(params)
  console.log(result)
  questionList.value = result.rows
  total.value = result.total
}
getQuestionList()

function handleSizeChange (newSize) {
  // params.pageSize = newSize
  params.pageNum = 1
  getQuestionList()
}

function handleCurrentChange (newPage) {
  // params.pageNum = newPage
  getQuestionList()
}

function onSearch () {
  params.pageNum = 1
  getQuestionList()
}

function onReset () {
  params.pageNum = 1
  params.pageSize = 10
  params.title = ''
  params.difficulty = ''
  getQuestionList()
}

const questionEditRef = ref()
// 添加
const onAddQuestion = () => {
  questionEditRef.value.open()
}


function onSuccess (service) {
  if (service === 'add') {
    params.pageNum = 1
  }
  getQuestionList()
}

async function onEdit (questionId) {
  questionEditRef.value.open(questionId)
}

async function onDelete (questionId) {
  await ElMessageBox.confirm(
    '确认删除该题目吗？',
    '温馨提示',
    {
      confirmButtonText: '确认',
      cancelButtonText: '取消',
      type: 'warning',
    }
  )
  await delQuestionService(questionId)
  params.pageNum = 1
  getQuestionList()

  // await delQuestionService(questionId)
  // params.pageNum = 1
  // getQuestionList()
}
</script>
